1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1999-2010,2016 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 #include <curses.priv.h> 31 #include <tic.h> /* struct tinfo_fkeys */ 32 33 MODULE_ID("$Id: init_keytry.c,v 1.19 2020/02/02 23:34:34 tom Exp $") 34 35 /* 36 ** _nc_init_keytry() 37 ** 38 ** Construct the try for the current terminal's keypad keys. 39 ** 40 */ 41 42 /* 43 * Internal entrypoints use SCREEN* parameter to obtain capabilities rather 44 * than cur_term. 45 */ 46 #undef CUR 47 #define CUR SP_TERMTYPE 48 49 #if BROKEN_LINKER 50 #undef _nc_tinfo_fkeys 51 #endif 52 53 /* LINT_PREPRO 54 #if 0*/ 55 #include <init_keytry.h> 56 /* LINT_PREPRO 57 #endif*/ 58 59 #if BROKEN_LINKER 60 const struct tinfo_fkeys * 61 _nc_tinfo_fkeysf(void) 62 { 63 return _nc_tinfo_fkeys; 64 } 65 #endif 66 67 NCURSES_EXPORT(void) 68 _nc_init_keytry(SCREEN *sp) 69 { 70 /* The sp->_keytry value is initialized in newterm(), where the sp 71 * structure is created, because we can not tell where keypad() or 72 * mouse_activate() (which will call keyok()) are first called. 73 */ 74 75 if (sp != 0) { 76 unsigned n; 77 78 for (n = 0; _nc_tinfo_fkeys[n].code; n++) { 79 if (_nc_tinfo_fkeys[n].offset < STRCOUNT) { 80 (void) _nc_add_to_try(&(sp->_keytry), 81 CUR Strings[_nc_tinfo_fkeys[n].offset], 82 _nc_tinfo_fkeys[n].code); 83 } 84 } 85 #if NCURSES_XNAMES 86 /* 87 * Add any of the extended strings to the tries if their name begins 88 * with 'k', i.e., they follow the convention of other terminfo key 89 * names. 90 */ 91 { 92 TERMTYPE *tp = &(sp->_term->type); 93 for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) { 94 const char *name = ExtStrname(tp, (int) n, strnames); 95 char *value = tp->Strings[n]; 96 if (name != 0 97 && *name == 'k' 98 && value != 0 99 && NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx 100 value) == 0) { 101 (void) _nc_add_to_try(&(sp->_keytry), 102 value, 103 n - STRCOUNT + KEY_MAX); 104 } 105 } 106 } 107 #endif 108 #ifdef TRACE 109 _nc_trace_tries(sp->_keytry); 110 #endif 111 } 112 } 113